Home / 487,156,782.90-730,735,174.35-332,188,587.30

Finding the Fourth Proportional to 487,156,782.90, 730,735,174.35 and 332,188,587.30

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Solution

The fourth proportional to 487,156,782.90, 730,735,174.35 and 332,188,587.30 is: 498,282,880.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,156,782.90 : 730,735,174.35 = 332,188,587.30 : x
  2. Step 2: Convert to fraction form
    487,156,782.90/730,735,174.35 = 332,188,587.30/x
  3. Step 3: Cross multiply
    487,156,782.90x = 730,735,174.35 × 332,188,587.30
  4. Step 4: Simplify right side
    487,156,782.90x = 242,741,885,257,745,728
  5. Step 5: Solve for x
    x = 242,741,885,257,745,728/487,156,782.90
  6. Step 6: Final answer
    x = 498,282,880.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.